Welcome to this week’s second gaming edition of iPhone + iPad Gems! We’re looking at four additional titles in this collection, which is best summed up as focused on ambitious mini-games: hockey, BMX biking, and Mario-style platforming, alongside a music trivia title. Our top pick of the bunch is the action platformer and puzzle game Kami Retro HD, but we’d also recommend that sports fans check out Icebreaker Hockey and Touchgrind…
